subject
Mathematics, 06.05.2021 16:50 daniel1480

Past experience indicates that the time required for high school seniors to complete a standardized test is a normal random variable with a mean of 35 minutes. If a random sample of 20 high school seniors took an average of 33.1 minutes to complete this test with a standard deviation of 4.3 minutes. Required:
Test the hypothesis, at the 0.05 level of signiï¬cance, that μ=35 minutes against the alternative.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?
Answers: 1
question
Mathematics, 21.06.2019 15:10
Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)
Answers: 1
question
Mathematics, 21.06.2019 16:00
The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet
Answers: 3
You know the right answer?
Past experience indicates that the time required for high school seniors to complete a standardized...
Questions
question
English, 11.05.2021 16:40
question
Advanced Placement (AP), 11.05.2021 16:40
question
Mathematics, 11.05.2021 16:40
question
Mathematics, 11.05.2021 16:40
Questions on the website: 13722363